Apache Hadoop 2.0.4-alpha Release Notes

These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.

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• HADOOP-9399 | Minor | protoc maven plugin doesn't work on mvn 3.0.2

Committed to 2.0.4-alpha branch

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• MAPREDUCE-5083 | Major | MiniMRCluster should use a random component when creating an actual cluster

Committed to branch-2.0.4. Modified changes.txt in trunk, branch-2 and branch-2.0.4 accordingly.